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  1. #include <iostream>
  2. #include <string>
  3. #include <vector>
  4. #define _USE_MATH_DEFINES
  5. #include <math.h>
  6.  
  7. std::vector<std::size_t> Shuffle(std::size_t N){
  8. 	std::size_t S = 0;
  9. 	std::size_t E = N;
  10. 	std::vector<std::size_t> vec;
  11. 	bool F = true;
  12. 	while (S != E){
  13. 		if (F){
  14. 			vec.push_back(S++);
  15. 		}
  16. 		else{
  17. 			vec.push_back(E--);
  18. 		}
  19. 		F = (!F);
  20. 	}
  21.  
  22. 	vec.push_back(S);
  23.  
  24. 	return vec;
  25. }
  26. template<class T>
  27. struct Vector2
  28. {
  29. 	T x, y;
  30. };
  31.  
  32. template<class T>
  33. Vector2<T> TransForm(Vector2<T>& Length, double RotRadian, Vector2<T>& Scale, Vector2<T>& Move)
  34. {
  35. 	Vector2<T> Ret = { 0, };
  36. 	double Sin = sin(RotRadian);
  37. 	double Cos = cos(RotRadian);
  38.  
  39. 	Ret.x = ((Length.x * Scale.x) * Cos) - ((Length.y * Scale.y) * Sin) + Move.x;
  40. 	Ret.y = ((Length.x * Scale.x) * Sin) + ((Length.y * Scale.y) * Cos) + Move.y;
  41.  
  42. 	return Ret;
  43. }
  44.  
  45. bool MakeHoge(std::string Str){
  46. 	std::vector<std::size_t> Vec = Shuffle(Str.size()-1);
  47. 	double R = Str.size() / 2;
  48. 	double Radian = M_PI / 180.0;
  49. 	double Angle = 360.0 / Str.size();
  50. 	Vector2<double> V{ 0, 0 };
  51. 	Vector2<double> S{ 1, 1 };
  52. 	Vector2<double> M{ R, R };
  53. 	Vector2<double> L{ R, 0 };
  54.  
  55. 	for (std::size_t i = 0; i < Vec.size(); i++){
  56. 		auto O = V;			
  57. 		V = TransForm(L, Radian*((Angle*Vec[i])-90), S,M);
  58. 		if (i % 2 == 0) V.x = V.x - O.x;
  59. 		for (int j = 0; j < (int)(V.x); j++)std::cout << ' ';
  60. 		std::cout << Str[Vec[i]];
  61. 		if (i % 2 == 0)std::cout << std::endl;
  62. 	}
  63. 	return true;
  64. }
  65.  
  66.  
  67. int main(){
  68. 	std::string Str = "0123456789abc";
  69.  
  70. 	MakeHoge(Str);
  71. 	MakeHoge("lattattarararibirabirin");
  72.  
  73. 	return 0;
  74.  
  75. }
Success #stdin #stdout 0s 3476KB
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stdin
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Standard input is empty
stdout
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      0
   c     1
 b         2
a           3
9           4
  8       5
    7  6
           l
        n     a
     i           t
  r                t
 i                   a
b                     t
a                     t
r                    a
  i                 r
    b             a
      i        r
         r  a
https://ideone.com/fHHfck
language:
C++14 (gcc 8.3)
created:
10 years ago
visibility:
public

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